package com.ck.express.models

import kotlinx.serialization.Serializable

@Serializable
data class GridRequest(
    val mty: String = "8600",
    val signature: String,
    val createTime: String,
    val txId: String? = null,
    val extend1: String? = null, // 可选
    val extend2: String? = null, // 可选
    val extend3: String? = null // 可选
)